Starter Chevy/Pontiac LS, LSX Chevy/GMC LS Trucks (w/ 4.8L, 5.3L, 6.0L) 1.2 KW/1.6 HP 18:1 Compression. -InfiCLOCK Design for 360 degree rotation -Clears most oil pans and headers -The lightest 200 ft. lb. starter available -No heat soak or hot start problems -Machined aluminum adapter block -Adjustable mounting block